code: def _check_data(data1, data2, rtol=0.001):
      return np.all(np.isclose(data1, data2, rtol=rtol, equal_nan=True))
  
file_path: catboost/catboost/libs/model/model_export/ut/test.py
imports: import numpy
  import os
  import pytest
  import re
  import yatest
  from catboost import Pool, CatBoost, CatBoostClassifier
  from catboost_pytest_lib import data_file, load_pool_features_as_df
label_desc: Use image node_id 5 for calling a global function with example usage: _check_data(data1, data2, rtol) and returns: np